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Path: Home » Attività normativa » Direttiva EPBD » CEN/TC 156 » Struttura » APPROVAL TO PROGRESS prEN 13141-4 TO ...
Scadenza: 15/11/2010
Data Documento: 23/09/2010
Organo Tecnico: CEN/TC 156 - Ventilation for buildings
Note:
This European Standard specifies aerodynamic, acoustic and electrical power performance test methods for fans used in residential ventilation. These methods primarily concern: - ventilation fans installed on a wall or in a window without any duct; - ventilation fans installed in the downstream of a duct; - ventilation fans installed in the upstream of a duct; - ventilation fans installed in a duct; - encased ventilation fans having several inlets. For acoustic performance testing one of the following methods is be used: - in duct method; - reverberant field method; - free field or semi-reverberant method.
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